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Black Gemstones

Explore our collection of natural black gemstones, perfect for bold, elegant, and modern jewelry designs.

Black Gemstones Weight
Black Gemstones Size
Black Gemstones Clarity
Black Gemstones Price

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For Example: 8-9
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Black Black Gemstones
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0.04ct Black Diamond, Round, Opaque

2 mm (calibrated)

$ 21.84

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22.18ct Schorl Tourmaline, Emerald Cut, Opaque

23.5 x 12.6 mm

$ 133.08

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7.53ct Black Spinel, Round, Opaque

12 mm (calibrated)

$ 29.82

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4.32ct Black Star Diopside, Oval, Opaque

11 x 9 mm (calibrated)

$ 25.92

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20.01ct Black Onyx, Pear Shape, Opaque

24.8 x 15 mm

$ 24.01

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13.34ct Black with Blue Sparkle Nuummite, Cushion, Opaque

16.8 x 15 mm

$ 67.27

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14.24ctw Black Spinel, Oval, Opaque

14 x 10 mm (calibrated)

$ 65.78

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0.09ctw Black Diamond, Round, Opaque

2.1 mm (calibrated)

$ 86.40

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4.19ct Black Onyx, Heart, Opaque

10.4 x 10.3 mm

$ 5.03

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0.06ct Black Diamond, Round, Opaque

2.5 mm (calibrated)

$ 34.98

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9.47ctw Black Spinel, Round, Opaque

10 mm (calibrated)

$ 43.76

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25.43ct Gray-White Black Snowflake Obsidian, Cushion, Opaque

24.5 x 19 mm

$ 20.15

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0.06ct Black Diamond, Round, Opaque

2.3 mm (calibrated)

$ 24.74

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4.63ct Black Star Sapphire, Oval, Opaque

10.2 x 8.5 mm

$ 100.01

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20.25ct Black with Blue Sparkle Nuummite, Oval, Opaque

21.9 x 15.7 mm

$ 107.16

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2.97ct Black Star Sapphire, Oval, Opaque

9 x 7 mm (calibrated)

$ 53.46

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10.59ct Black Onyx, Pear Shape, Opaque

18 x 13 mm (calibrated)

$ 12.71

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5.12ct Black Cat's Eye Scapolite, Oval, Translucent

10 x 9.2 mm

$ 33.79

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2.82ct Black Star Sapphire, Oval, Opaque

9 x 7 mm (calibrated)

$ 60.91

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0.08ctw Black Diamond, Round, Opaque

2 mm (calibrated)

$ 76.80

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9.97ctw Black Spinel, Round, Opaque

10 mm (calibrated)

$ 46.07

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15.51ct Black with Blue Sparkle Nuummite, Oval, Opaque

17.6 x 15.4 mm

$ 76.68

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5.51ct Black Star Diopside, Oval, Opaque

11 x 9 mm (calibrated)

$ 33.06

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4.71ct Black Onyx, Cushion, Opaque

11 x 11 mm (calibrated)

$ 11.30

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Why Buy Black Gemstones from GemSelect?

Natural Black Gemstones

Our black gemstones are 100% natural and carefully selected for their deep color and quality. From classic onyx to rare black spinel, these stones offer timeless appeal for any jewelry project.

Black Gemstones Online

Buy black gemstones online at GemSelect with confidence. We offer a wide range of loose black gems in various shapes, sizes, and price points, all with detailed descriptions and secure worldwide shipping.

Loose Black Gemstones for Jewelry and Collecting

Popular Black Stones

Popular black gemstones include onyx, black spinel, black sapphire, and tourmaline. Each stone offers a unique look, from glossy opaque finishes to brilliant faceted sparkle.

Black Gemstones for Jewelry

Black gemstones are a favorite for modern and classic jewelry. Their neutral color pairs well with any metal, making them ideal for rings, earrings, pendants, and men’s jewelry.

Faceted Black Gems

Faceted black gemstones provide subtle brilliance and depth. These stones are cut to maximize light reflection, offering a refined and polished look for high-end jewelry designs.

Black Cabochon Stones

Black cabochons feature smooth, domed surfaces that highlight the richness of their color. They are perfect for bold statement pieces and vintage-inspired jewelry.

Wholesale Black Gemstones

We offer wholesale black gemstones for jewelers and designers. Purchase in bulk and enjoy competitive pricing on a wide selection of calibrated and free-size stones.

Meaning of Black Gemstones

Black gemstones are often associated with strength, protection, and grounding. They are popular choices for those seeking a bold, elegant look with symbolic meaning.

Learn more about gemstone properties and characteristics on our Gemstone Information Pages.

FAQs

What are the most popular black gemstones?

Popular black gemstones include onyx, black spinel, black sapphire, and black tourmaline. Each offers different durability, brilliance, and price ranges.

Are black gemstones natural?

Yes, many black gemstones are natural. Some may be treated to enhance color, and all treatments are fully disclosed for transparency.

Are black gemstones suitable for everyday jewelry?

Many black gemstones, such as sapphire and spinel, are durable enough for daily wear, while softer stones like onyx are better suited for occasional use.

What metal pairs best with black gemstones?

Black gemstones pair well with all metals, including white gold, yellow gold, rose gold, and silver. The contrast creates a bold and elegant appearance.

Can I buy black gemstones in calibrated sizes?

Yes, we offer calibrated black gemstones in standard sizes, making them ideal for ready-made jewelry settings and consistent designs.

GemSelect Certified Store Reviews

GemSelect: Over 22 Years in the Gemstone Business! Thank you for trusting us with your purchase!

Overall Rating -> 10 star ratings

Great website, easy to navigate, and loads quickly. Have bought here before, very pleased!

Posted By SallyO in February, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

It's mostly good, only some item's are easier to find through the search than the menu

Posted By Wayne in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Very food

Posted By Keeto in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I have shopped at Gemselect for nearly 20 years. I especially like that you see pictures of the exact gem you are purchasing. You are a trusted source.

Posted By DNaber in October, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

Been using them for years! Very satisfied with the products.

Posted By PI SC in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

On the clarity options it goes "and better" so if youre looking for si specifically and you click si and better it still shows you basically everything. It just removes the opaques. Itd be nice if it was vs only, vss only, si only, etc

Posted By Iamnotakrustykrab in December, 2025
Source: Bizrate
Enlarged Gemstone Image